80564856480000 has 270 divisors, whose sum is σ = 290267518234694. Its totient is φ = 21483961344000.

The previous prime is 80564856479977. The next prime is 80564856480067. The reversal of 80564856480000 is 8465846508.

80564856480000 is a `hidden beast` number, since 80 + 5 + 6 + 4 + 85 + 6 + 480 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 15127370129664 + 65437486350336 = 3889392^2 + 8089344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 26533909 + ... + 29413908.

Almost surely, 2^{80564856480000} is an apocalyptic number.

80564856480000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80564856480000 is an abundant number, since it is smaller than the sum of its proper divisors (209702661754694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80564856480000 is an equidigital number, since it uses as much as digits as its factorization.

80564856480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55947859 (or 55947827 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 80564856480000 in words is "eighty trillion, five hundred sixty-four billion, eight hundred fifty-six million, four hundred eighty thousand".